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se8117t33hf

Public Made by Adom

by adom

Seaward Elec Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223-3. Datasheet-verified pinout, KiCad symbol/footprint/3D.

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SE8117T33HF

Seaward Elec · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-223-3

SE8117T33HF from Seaward Elec, in a SOT-223-3. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 GND power_in Ground reference for the fixed-output regulator. On the adjustable SE8117TA variant this pin becomes ADJ (a resistor divider from OUT to this pin and to ground sets VOUT); for the fixed 3.3V SE8117T33 this pin is tied to ground.
2 OUT power_out Regulated 3.3V output of the LDO (guaranteed 1A). A minimum 4.7µF capacitor (0.15Ω ≤ ESR ≤ 0.5Ω), typically 22µF, must be connected from this pin to ground to ensure stability and improve transient/PSRR performance. Also connected to the exposed tab (Tab is Vout).
3 IN power_in Input supply pin (absolute max 18V). Must be at least 1.3V higher than VOUT for proper regulation. A minimum 4.7µF capacitor (0.15Ω ≤ ESR ≤ 0.5Ω), typically 10µF ceramic or tantalum, must be connected from this pin to ground to ensure stability.

Key specifications

Parameter Value
Manufacturer Seaward Elec
Package SOT-223-3
Category PMIC
Pins 3

Ordering variants

  • SE8117T33HFSE8117T33-HF-3.3V
  • SE8117T33HFSE8117T15-HF-1.5V
  • SE8117T33HFSE8117T18-HF-1.8V
  • SE8117T33HFSE8117T25-HF-2.5V
  • SE8117T33HFSE8117T50-HF-5.0V
  • SE8117T33HFSE8117TA-HF-ADJ
  • SE8117T33HFSE8117J33-LF-3.3V
  • SE8117T33HFSE8117JA-LF-ADJ

CAD (KiCad official)

  • Symbol: SE8117T33HF
  • Footprint: Package_TO_SOT_SMD:SOT-223-3_TabPin2
  • 3D model: SOT-223-3 (KiCad packages3D, STEP)
  • 3D model files: se8117t33hf-etched.step / se8117t33hf-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); se8117t33hf.step / se8117t33hf.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Seaward Elec datasheet (None pp, sha256 23ae86778a865694, retrieved 2026-08-17, tier: lcsc)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF

Symbol & Footprint

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PCB Footprint

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Datasheet

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